CVE-2025-68662CRITICAL 9.9EPSS p21.5%

CVE-2025-68662CVE-2025-68662

Description

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, a hostname validation issue in FinalDestination could allow bypassing SSRF protections under certain conditions. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.

Scoring

CVSS 3.19.9 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS0.30% probability of exploitation · percentile 21.5% · 2026-06-18T12:00:27Z
Published2026-01-28
Last modified2026-01-30

Underlying weaknesses· 1

CWE-918

References

  1. https://github.com/discourse/discourse/security/advisories/GHSA-gcfp-rjfc-925c

1

TypeTargetConfidenceTier
WeaknessServer-Side Request Forgery (SSRF)cwe-9180%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.